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Individual Calculations May 2010 |
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| Kostopoulos, Vasilios Total change: -3.90 | |   |
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| Attica Team Championship of C' Category 2010 | Attica | GRE | 2010-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2081 | 2058 | 1.50 | 3 | 0.09 | 25 | 2.25 | |
|  Hrysikopoulos, Spyridon | | | 2012 | GRE | 0.50 | 1 | -0.06 | 25 | -1.50 | | | Papadimitriou, Loukas | | | 2179 | GRE | 0.00 | 1 | -0.34 | 25 | -8.50 | | | Anairousis, Panag | | | 2051 | GRE | 1.00 | 1 | 0.49 | 25 | 12.25 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | NOTE: K factor changed | | 2nd Open ASOP DIAS 2010 | Petroupoli - Athens | GRE | 2010-03-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1903 | 2058 | 3.50 | 6 | -0.41 | 15 | -6.15 | |
| | Diatsintos, Ilias | | | 1658 * | GRE | 1.00 | 1 | 0.08 | 15 | 1.20 | |  Kouliouras, Ioannis | | | 1658 * | GRE | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Margaritis, Fotios | | | 2204 | GRE | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Spirou, Panagiotis | | | 2160 | GRE | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Sidiropoulos, Leonidas | | | 1674 | GRE | 1.00 | 1 | 0.09 | 15 | 1.35 | | | Taylor, Michael | | | 2061 | ENG | 0.50 | 1 | 0.00 | 15 | 0.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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